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<br />Project lands <br /> <br />Class 6w Irrigated <br /> <br />These nonirrigable lands, totaling 5,975 acres, have water <br />rights and are presently irrigated; however, they do not meet the <br />minimum re~uirements for irrigable land specified in Bureau of <br />Reclamation standards. They are dispersed ~uite evenly throughout <br />the project area. They are of low ~uality due to extremely shallow <br />soils which are underlain by shale, high concentrations of salinity <br />or alkalinity, high water tables, or a combination of two or more <br />of these limitations. Continued irrigation of 6w lands will <br />increase the hazard of waterlogging with a corresponding buildup <br />of salinity and alkalinity. Furthermore, the quality of the return <br />flow water from these lands increases the salinity hazard to higher <br />~uality lands on which the return flows are reused for irrigation, <br />The irrigation plan for the project encompasses abandonment of <br />irrigation on class Ew lands and transfer of their water rights to <br />higher ~uality lands, <br /> <br />Class 6 Nonirrigated <br /> <br />,"}'- <br /> <br />There are 34,705 acres of nonirrigated lands within the <br />district boundries which do not meet the minimum re~uirements for <br />irrigable lands. These lands are presently dry-farmed or are in <br />native grass, and they occur in large tracts on the uplands and <br />in the bottomlands. Smaller tracts occur along the edges of the <br />terraces. The class 6 lands are comprised of steep, rough and <br />broken slopes, fairly level areas having shallow, compacted clay <br />soils overlying shale, gravel, or sandstone, areas with very high <br />water tables, and lands which have highlY saline and alkaline <br />soils. Included also in the class 6 lands are 3,974 acres of <br />rights-of-way for roads, irrigation facilities, etc. <br /> <br /> <br />'-.' <br /> <br />35 <br />